Blombos Cave
75,000-year-old engraved ochre site
Episodes
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#5049: How Deep Does an Engraving Need to Be?Why engraving outlasts stickers and ink — and what NASA specs reveal about carving for the ages. -
#3858: Why We Carve: 75,000 Years of Marking What MattersFrom a Dremel in Jerusalem to 75,000-year-old cave engravings — the ancient impulse to make a permanent mark.